Finding the Fourth Proportional to 248,890,161.70, 347,640,010.70 and 248,890,161.70
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Solution
The fourth proportional to 248,890,161.70, 347,640,010.70 and 248,890,161.70 is: 347,640,010.70
Step by Step Solution
- Step 1: Write the proportion equation
248,890,161.70 : 347,640,010.70 = 248,890,161.70 : x - Step 2: Convert to fraction form
248,890,161.70/347,640,010.70 = 248,890,161.70/x - Step 3: Cross multiply
248,890,161.70x = 347,640,010.70 × 248,890,161.70 - Step 4: Simplify right side
248,890,161.70x = 86,524,178,476,512,720 - Step 5: Solve for x
x = 86,524,178,476,512,720/248,890,161.70 - Step 6: Final answer
x = 347,640,010.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.